PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
4pl0	MICROCIN-J25 EXPORT ATP-BINDING/PERMEASE PROTEIN MCJD Escherichia coli	ABC_membrane ABC_tran	GLY A 123 THR A 126 GLY B 123 THR B 126	None	homomer cyclic	24920594
4w6y	F18 FIMBRIAL ADHESIN AC Escherichia coli	-	GLY A  59 THR A  60 GLY A 106 THR C  60	None	heteromer cyclic	25502211
5xux	CONSERVED PROTEIN Methanosarcina mazei	RibD_C	GLY A  16 THR A 190 GLY B  16 THR B 190	None	homomer cyclic	29864427